GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 96.8% 418 / 3 / 435
Functions: 92.3% 12 / 0 / 13
Branches: 54.5% 693 / 8 / 1280
src/typechecker/TypeCheckerValues.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "TypeChecker.h"
4
5 #include <SourceFile.h>
6 #include <ast/ASTNodes.h>
7 #include <ast/Attributes.h>
8 #include <global/GlobalResourceManager.h>
9 #include <model/GenericType.h>
10 #include <symboltablebuilder/Scope.h>
11 #include <symboltablebuilder/ScopeHandle.h>
12 #include <symboltablebuilder/SymbolTableBuilder.h>
13 #include <typechecker/BuiltinFunctions.h>
14 #include <typechecker/FunctionManager.h>
15 #include <typechecker/MacroDefs.h>
16 #include <typechecker/TypeMatcher.h>
17
18 namespace spice::compiler {
19
20 83486 std::any TypeChecker::visitValue(ValueNode *node) {
21 // Function call
22
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 83486 if (node->fctCall)
23 72266 return visit(node->fctCall);
24
25 // Array initialization
26
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 11220 if (node->arrayInitialization)
27 335 return visit(node->arrayInitialization);
28
29 // Struct instantiation
30
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 10885 if (node->structInstantiation)
31 1313 return visit(node->structInstantiation);
32
33 // Lambda function
34
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 9572 if (node->lambdaFunc)
35 55 return visit(node->lambdaFunc);
36
37 // Lambda procedure
38
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 9517 if (node->lambdaProc)
39 46 return visit(node->lambdaProc);
40
41 // Lambda expression
42
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 9471 if (node->lambdaExpr)
43 1 return visit(node->lambdaExpr);
44
45 // Typed nil
46
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 9470 if (node->isNil) {
47
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 9470 const auto nilType = std::any_cast<QualType>(visit(node->nilType));
48
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 9470 HANDLE_UNRESOLVED_TYPE_ER(nilType)
49
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 9470 if (nilType.is(TY_DYN))
50 ✗ SOFT_ERROR_ER(node->nilType, UNEXPECTED_DYN_TYPE, "Nil must have an explicit type")
51
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 18940 return ExprResult{node->setEvaluatedSymbolType(nilType, manIdx)};
52 }
53
54 − throw CompilerError(UNHANDLED_BRANCH, "Value fall-through"); // GCOV_EXCL_LINE
55 }
56
57 79664 std::any TypeChecker::visitConstant(ConstantNode *node) {
58 SuperType superType;
59
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 79664 switch (node->type) {
60 2001 case ConstantNode::PrimitiveValueType::TYPE_DOUBLE:
61 2001 superType = TY_DOUBLE;
62 2001 break;
63 9952 case ConstantNode::PrimitiveValueType::TYPE_INT:
64 9952 superType = TY_INT;
65 9952 break;
66 1308 case ConstantNode::PrimitiveValueType::TYPE_SHORT:
67 1308 superType = TY_SHORT;
68 1308 break;
69 33807 case ConstantNode::PrimitiveValueType::TYPE_LONG:
70 33807 superType = TY_LONG;
71 33807 break;
72 6616 case ConstantNode::PrimitiveValueType::TYPE_CHAR:
73 6616 superType = TY_CHAR;
74 6616 break;
75 17058 case ConstantNode::PrimitiveValueType::TYPE_STRING:
76 17058 superType = TY_STRING;
77 17058 break;
78 8922 case ConstantNode::PrimitiveValueType::TYPE_BOOL:
79 8922 superType = TY_BOOL;
80 8922 break;
81 − default: // GCOV_EXCL_LINE
82 − throw CompilerError(UNHANDLED_BRANCH, "Constant fall-through"); // GCOV_EXCL_LINE
83 }
84
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 159328 return ExprResult{node->setEvaluatedSymbolType(QualType(superType), manIdx)};
85 }
86
87 72266 std::any TypeChecker::visitFctCall(FctCallNode *node) {
88
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 72266 FctCallNode::FctCallData &data = node->data.at(manIdx);
89 72266 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
90
91 // Retrieve arg types
92 72266 args.clear();
93
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 72266 if (node->hasArgs) {
94
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 53591 args.reserve(node->argLst->args.size());
95
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 190807 for (ExprNode *arg : node->argLst->args) {
96 // Visit argument
97
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 83642 const auto argResult = std::any_cast<ExprResult>(visit(arg));
98
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 83657 HANDLE_UNRESOLVED_TYPE_ER(argResult.type)
99
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 83625 assert(!argResult.type.hasAnyGenericParts());
100 // Save arg type to arg types list
101
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 83625 args.emplace_back(argResult.type, argResult.isTemporary());
102 }
103 }
104
105 // Retrieve template types
106 72249 templateTypes.clear();
107
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 72249 if (node->hasTemplateTypes) {
108
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 20046 for (DataTypeNode *templateTypeNode : node->templateTypeLst->dataTypes) {
109
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 7518 auto templateType = std::any_cast<QualType>(visit(templateTypeNode));
110
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 7518 assert(!templateType.is(TY_INVALID));
111
112 // Abort if the type is unresolved
113
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 7518 if (templateType.is(TY_UNRESOLVED))
114 ✗ HANDLE_UNRESOLVED_TYPE_ER(templateType)
115
116 // Check if the given type is generic
117
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 7518 if (templateType.is(TY_GENERIC))
118 ✗ SOFT_ERROR_ER(templateTypeNode, EXPECTED_NON_GENERIC_TYPE, "You must specify a concrete type here")
119
120
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 7518 templateTypes.push_back(templateType);
121 }
122 }
123
124 // Check if this is a builtin call
125
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 1557188 for (const auto &[builtinFctName, _] : BUILTIN_FUNCTIONS)
126
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 1491860 if (node->fqFunctionName == builtinFctName)
127
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 6921 return visitBuiltinCall(node);
128
129 // Retrieve entry of the first fragment
130 65328 const std::string &firstFrag = node->functionNameFragments.front();
131
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 65328 SymbolTableEntry *firstFragEntry = currentScope->lookup(firstFrag);
132
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 65328 if (firstFragEntry) {
133 // Check if we have seen a 'this.' prefix, because the generator needs that
134
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 43589 if (firstFragEntry->scope->type == ScopeType::STRUCT && firstFrag != THIS_VARIABLE_NAME)
135
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE,
136 "The symbol '" + firstFrag + "' could not be found. Missing 'this.' prefix?")
137
138 43588 firstFragEntry->used = true;
139 // Decide of which type the function call is
140
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 43588 const QualType &baseType = firstFragEntry->getQualType().getBase();
141
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 43592 HANDLE_UNRESOLVED_TYPE_ER(baseType)
142
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 43584 if (baseType.isOneOf({TY_STRUCT, TY_INTERFACE})) {
143
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 34289 if (firstFragEntry->scope->type == ScopeType::GLOBAL)
144 3817 callType = FctCallNode::FctCallType::TYPE_CTOR;
145 else
146 30472 callType = FctCallNode::FctCallType::TYPE_METHOD;
147
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 9295 } else if (baseType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && firstFragEntry->scope->type != ScopeType::GLOBAL) {
148 118 callType = FctCallNode::FctCallType::TYPE_FCT_PTR;
149 }
150 }
151
152 // Get struct name. Retrieve it from alias if required
153
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 65323 const auto &[structEntry, isAlias] = rootScope->symbolTable.lookupWithAliasResolution(node->fqFunctionName);
154
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 65323 const std::string &fqFunctionName = isAlias ? structEntry->getQualType().getSubType() : node->fqFunctionName;
155
156 // Get the concrete template types
157
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 65323 if (isAlias) {
158 // Retrieve concrete template types from type alias
159
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 1 templateTypes = structEntry->getQualType().getTemplateTypes();
160 // Check if the aliased type specified template types and the struct instantiation does
161
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 1 if (!templateTypes.empty() && node->hasTemplateTypes)
162 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
163 }
164
165 // Check if this is a method call or a normal function call
166
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 65323 if (data.isMethodCall()) {
167 // This is a method call
168
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 30472 thisType = firstFragEntry->getQualType();
169
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 30472 Scope *structBodyScope = thisType.getBase().getBodyScope();
170
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 30472 assert(structBodyScope != nullptr);
171
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 30472 if (!visitMethodCall(node, structBodyScope)) // Check if soft errors occurred
172
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 4 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
173
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 30470 assert(calleeParentScope != nullptr);
174
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 34851 } else if (data.isFctPtrCall()) {
175 // This is a function pointer call
176
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 118 const QualType &functionType = firstFragEntry->getQualType().getBase();
177
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 118 assert(functionType.isOneOf({TY_FUNCTION, TY_PROCEDURE}));
178
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 118 if (!visitFctPtrCall(node, functionType)) // Check if soft errors occurred
179 ✗ return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
180 } else {
181 // This is an ordinary function call
182
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 34733 assert(data.isOrdinaryCall() || data.isCtorCall());
183
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 34734 if (!visitOrdinaryFctCall(node, fqFunctionName)) // Check if soft errors occurred
184
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 8 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
185
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 34728 assert(calleeParentScope != nullptr);
186
187 // If the call is no ordinary call, it must be a constructor, which takes a struct as this type.
188
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 34728 assert(data.isOrdinaryCall() || data.thisType.is(TY_STRUCT));
189 }
190
191
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 65316 if (!data.isFctPtrCall()) {
192 // Check if we were able to find a function
193
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 65198 if (!callee) {
194 // Build error message
195
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 14 const std::string functionName = data.isCtorCall() ? CTOR_FUNCTION_NAME : node->functionNameFragments.back();
196 12 ParamList errArgTypes;
197
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 12 errArgTypes.reserve(args.size());
198
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 19 for (const auto &type : args | std::views::keys)
199
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 7 errArgTypes.push_back({type, false});
200
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 12 const std::string signature = Function::getSignature(functionName, thisType, QualType(TY_DYN), errArgTypes, {}, false);
201 // Throw error
202
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 12 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_FUNCTION, "Function/procedure '" + signature + "' could not be found")
203 12 }
204
205 // Check if we need to request a re-visit, because the function body was not type-checked yet
206
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 65186 requestRevisitIfRequired(callee);
207
208 // Get function entry from function object
209 65186 SymbolTableEntry *functionEntry = callee->entry;
210
211 // Check if the called function has sufficient visibility
212
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 65186 isImported = calleeParentScope->isImportedBy(rootScope);
213
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 65186 if (isImported && !functionEntry->getQualType().isPublic()) {
214
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 2 const QualType functionEntryType = functionEntry->getQualType();
215
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 2 const std::string signature = callee->getSignature();
216
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 2 if (functionEntryType.is(TY_FUNCTION))
217
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 4 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Function '" + signature + "' has insufficient visibility")
218 else
219 ✗ SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Procedure '" + signature + "' has insufficient visibility")
220 2 }
221 }
222
223 // Generate arg infos
224
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 65302 if (node->hasArgs) {
225 48402 QualTypeList paramTypes;
226
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 48402 if (data.isFctPtrCall()) {
227
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 92 const QualType &functionType = firstFragEntry->getQualType().getBase();
228
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 92 paramTypes = functionType.getFunctionParamTypes();
229 } else {
230
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 48310 assert(callee != nullptr);
231
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 48310 paramTypes = callee->getParamTypes();
232 }
233
234 48402 node->argLst->argInfos.clear();
235
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 125058 for (size_t argIdx = 0; argIdx < args.size(); argIdx++) {
236
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 76656 const QualType &expectedType = paramTypes.at(argIdx);
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 76656 const auto &[actualType, _] = args.at(argIdx);
238
239 76656 Function *copyCtor = nullptr;
240
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 76656 if (expectedType.is(TY_STRUCT) && actualType.is(TY_STRUCT) && !actualType.isTriviallyCopyable(node)) {
241
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 16 copyCtor = matchCopyCtor(actualType, node);
242 // Insert anonymous symbol to track the dtor call of the copy
243
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 16 ExprNode *argNode = node->argLst->args.at(argIdx);
244
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 16 currentScope->symbolTable.insertAnonymous(actualType, argNode, SIZE_MAX);
245 }
246
247
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 76656 node->argLst->argInfos.push_back(ArgLstNode::ArgInfo{copyCtor});
248 }
249
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 48402 assert(node->argLst->argInfos.size() == node->argLst->args.size());
250 48402 }
251
252 // Retrieve return type
253
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 130486 const bool isFct = data.isFctPtrCall() ? firstFragEntry->getQualType().getBase().is(TY_FUNCTION) : callee->isFunction();
254 65302 QualType returnType;
255
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 65302 if (data.isFctPtrCall()) {
256
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 118 returnType = isFct ? firstFragEntry->getQualType().getBase().getFunctionReturnType() : QualType(TY_BOOL);
257
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 65184 } else if (data.isCtorCall()) {
258 9898 returnType = thisType;
259
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 110572 } else if (callee->isProcedure()) {
260
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 14260 returnType = QualType(TY_DYN);
261 } else {
262 41026 returnType = callee->returnType;
263 }
264
265
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 65302 const QualType returnBaseType = returnType.getBase();
266
267 // Make sure this source file knows about the return type
268
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 65302 if (returnBaseType.is(TY_STRUCT))
269
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 20227 returnType = mapImportedScopeTypeToLocalType(returnBaseType.getBodyScope(), returnType);
270
271 // Add anonymous symbol to keep track of dtor call, if non-trivially destructible
272 65302 SymbolTableEntry *anonymousSymbol = nullptr;
273
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 65302 if (returnType.is(TY_STRUCT) && !returnType.isTriviallyDestructible(node))
274
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 9964 anonymousSymbol = currentScope->symbolTable.insertAnonymous(returnType, node);
275
276 // Remove public qualifier to not have public local variables
277 65302 returnType.getQualifiers().isPublic = false;
278
279 // Check if the return value gets discarded
280
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 65302 if (isFct && !node->hasReturnValueReceiver()) {
281 // Discarding a Result<T> is always a hard error when explicit error handling is enabled for this module,
282 // regardless of ignoreUnusedReturnValue (which only ever weakens the generic warning below).
283
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 4111 if (sourceFile->explicitErrorHandling && returnType.removeReferenceWrapper().isResultObj())
284
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 8 SOFT_ERROR_ER(node, DISCARDED_RESULT_VALUE,
285 "A Result<T> returned from a call must be handled: bind it to a variable, propagate it with the "
286 "'!' operator, handle it with '.unwrapOr(...)'/'.unwrapOrElse(...)', or explicitly discard it by "
287 "binding it to a variable with a name starting with '_'")
288
289 // Check if we want to ignore the discarded return value
290 4109 bool ignoreUnusedReturnValue = false;
291
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 4109 if (!data.isFctPtrCall()) {
292
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 4105 assert(callee != nullptr);
293
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 4105 auto fctDef = dynamic_cast<const FctDefNode *>(callee->declNode);
294
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 4659 ignoreUnusedReturnValue = fctDef && fctDef->attrs && fctDef->attrs->attrLst->hasAttr(ATTR_IGNORE_UNUSED_RETURN_VALUE);
295 }
296
297
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 4109 if (!ignoreUnusedReturnValue)
298
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 3851 warnings.emplace_back(node->codeLoc, UNUSED_RETURN_VALUE, "The return value of the function call is unused");
299 }
300
301
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 130600 return ExprResult{node->setEvaluatedSymbolType(returnType, manIdx), anonymousSymbol};
302 }
303
304 34733 bool TypeChecker::visitOrdinaryFctCall(FctCallNode *node, std::string fqFunctionName) const {
305
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 34733 FctCallNode::FctCallData &data = node->data.at(manIdx);
306 34733 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
307
308 // Check if this is a well-known ctor/fct call
309
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 34733 if (node->functionNameFragments.size() == 1) {
310
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 34571 ensureLoadedRuntimeForTypeName(fqFunctionName);
311
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 34571 ensureLoadedRuntimeForFunctionName(fqFunctionName);
312 }
313
314 // Check if the type is generic (possible in case of ctor call)
315
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 34733 const QualType *genericType = rootScope->lookupGenericTypeStrict(fqFunctionName);
316
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 34733 if (genericType && typeMapping.contains(fqFunctionName)) {
317
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 1 const QualType &replacementType = typeMapping.at(fqFunctionName);
318
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 1 if (replacementType.is(TY_STRUCT))
319
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 1 fqFunctionName = replacementType.getSubType();
320 }
321
322 // Check if the exported name registry contains that function name
323
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 34733 const NameRegistryEntry *functionRegistryEntry = sourceFile->getNameRegistryEntry(fqFunctionName);
324
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 34733 if (!functionRegistryEntry) {
325
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 3 const std::string msg = "Function/procedure/struct '" + node->functionNameFragments.back() + "' could not be found";
326
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 3 SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, msg)
327 3 }
328 34730 const SymbolTableEntry *functionEntry = functionRegistryEntry->targetEntry;
329 34730 calleeParentScope = functionRegistryEntry->targetScope;
330
331 // Check if the target symbol is a struct -> this must be a constructor call
332
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 34730 std::string functionName = node->functionNameFragments.back();
333
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 34730 if (functionEntry != nullptr && functionEntry->getQualType().is(TY_STRUCT)) {
334 9901 callType = FctCallNode::FctCallType::TYPE_CTOR;
335
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 9901 functionName = CTOR_FUNCTION_NAME;
336
337 9901 const NameRegistryEntry *structRegistryEntry = functionRegistryEntry;
338 9901 const SymbolTableEntry *structEntry = functionEntry;
339
340 // Substantiate potentially generic this struct
341
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 9901 const Struct *thisStruct = structEntry->getQualType().getStruct(node, templateTypes);
342
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 9901 if (!thisStruct) {
343
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 1 const std::string signature = Struct::getSignature(structRegistryEntry->targetEntry->name, templateTypes);
344
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 1 const std::string errorMsg = "Could not find struct candidate for struct '" + signature + "'. Do the template types match?";
345
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 1 SOFT_ERROR_BOOL(node, UNKNOWN_DATATYPE, errorMsg)
346 1 }
347
348 // Set the 'this' type of the function to the struct type
349
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 9900 thisType = structEntry->getQualType().getWithBodyScope(thisStruct->scope);
350 9900 calleeParentScope = thisStruct->scope;
351 }
352
353 // Attach the concrete template types to the 'this' type
354
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 34729 if (!thisType.is(TY_DYN) && !templateTypes.empty())
355
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 2109 thisType = thisType.getWithTemplateTypes(templateTypes);
356
357 // Map local arg types to imported types
358
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 92182 for (QualType &argType : args | std::views::keys)
359
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 57453 argType = mapLocalTypeToImportedScopeType(calleeParentScope, argType);
360
361 // Map local template types to imported types
362
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 74098 for (QualType &templateType : templateTypes)
363
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 4640 templateType = mapLocalTypeToImportedScopeType(calleeParentScope, templateType);
364
365 // Retrieve function object
366 34729 Scope *matchScope = calleeParentScope;
367
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 34729 callee = FunctionManager::match(matchScope, functionName, data.thisType, data.args, templateTypes, false, node);
368
369 34728 return true;
370 34730 }
371
372 118 bool TypeChecker::visitFctPtrCall(const FctCallNode *node, const QualType &functionType) const {
373
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 118 const FctCallNode::FctCallData &data = node->data.at(manIdx);
374 118 const auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] =
375 data;
376
377 // Check if the given argument types match the type
378
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 118 const QualTypeList expectedArgTypes = functionType.getFunctionParamTypes();
379
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 118 if (args.size() != expectedArgTypes.size())
380 ✗ SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, "Expected and actual number of arguments do not match")
381
382 // Create resolver function, that always returns a nullptr
383 118 TypeMatcher::ResolverFct resolverFct = [](const std::string &) { return nullptr; };
384
385
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 237 for (size_t i = 0; i < args.size(); i++) {
386
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 119 const QualType &actualType = args.at(i).first;
387
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 119 const QualType &expectedType = expectedArgTypes.at(i);
388
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 119 if (TypeMapping tm; !TypeMatcher::matchRequestedToCandidateType(expectedType, actualType, tm, resolverFct, false))
389
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 119 SOFT_ERROR_BOOL(node->argLst->args.at(i), REFERENCED_UNDEFINED_FUNCTION,
390 "Expected " + expectedType.getName(false) + " but got " + actualType.getName(false))
391 }
392 118 return true;
393 118 }
394
395 30472 bool TypeChecker::visitMethodCall(FctCallNode *node, Scope *structScope) const {
396 30472 FctCallNode::FctCallData &data = node->data.at(manIdx);
397 30472 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
398
399 // Traverse through structs - the first fragment is already looked up and the last one is the method name
400
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 37526 for (size_t i = 1; i < node->functionNameFragments.size() - 1; i++) {
401
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 7056 const std::string &identifier = node->functionNameFragments.at(i);
402
403 // Retrieve field entry, also looking through composed fields
404 7056 std::vector<size_t> indexPath;
405
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 7056 SymbolTableEntry *fieldEntry = structScope->symbolTable.lookupInComposedFields(identifier, indexPath);
406
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 7056 if (!fieldEntry) {
407
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 1 std::stringstream errorMsg;
408
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 1 errorMsg << "The type '";
409
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 1 errorMsg << thisType.getBase().getName(false, true);
410
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 1 errorMsg << "' does not have a member with the name '" << identifier << "'";
411
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 1 SOFT_ERROR_BOOL(node, ACCESS_TO_NON_EXISTING_MEMBER, errorMsg.str())
412 1 }
413
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 7055 if (!fieldEntry->getQualType().getBase().isOneOf({TY_STRUCT, TY_INTERFACE}))
414
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 1 SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS,
415 "Cannot call a method on '" + identifier + "', since it is no struct or interface")
416 7054 fieldEntry->used = true;
417
418 // Get struct type and scope
419
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 7054 thisType = fieldEntry->getQualType();
420
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 7054 structScope = thisType.getBase().getBodyScope();
421
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 7054 assert(structScope != nullptr);
422
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 7056 }
423
424
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 30470 if (thisType.is(TY_INTERFACE))
425 ✗ SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS, "Cannot call a method on an interface")
426
427 // Map local arg types to imported types
428 30470 Scope *matchScope = calleeParentScope = structScope;
429
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 49562 for (QualType &argType : args | std::views::keys)
430
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 19092 argType = mapLocalTypeToImportedScopeType(calleeParentScope, argType);
431
432 // Map local template types to imported types
433
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 61290 for (QualType &templateType : templateTypes)
434
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 350 templateType = mapLocalTypeToImportedScopeType(calleeParentScope, templateType);
435
436 // 'this' type
437
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 30470 thisType = thisType.autoDeReference();
438
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 30470 thisType = mapLocalTypeToImportedScopeType(calleeParentScope, thisType);
439
440 // Retrieve function object
441 30470 const std::string &functionName = node->functionNameFragments.back();
442 30470 callee = FunctionManager::match(matchScope, functionName, thisType, args, templateTypes, false, node);
443
444 30470 return true;
445 }
446
447 335 std::any TypeChecker::visitArrayInitialization(ArrayInitializationNode *node) {
448
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 335 if (!node->itemLst || node->itemLst->args.empty())
449
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 4 SOFT_ERROR_ER(node, ARRAY_SIZE_INVALID, "Array initializers must at least contain one value");
450 334 node->actualSize = node->itemLst->args.size();
451
452
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 334 QualType actualItemType(TY_DYN);
453 // Check if all values have the same type
454
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 2482 for (ExprNode *arg : node->itemLst->args) {
455
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 1815 const QualType itemType = std::any_cast<ExprResult>(visit(arg)).type;
456
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 1815 HANDLE_UNRESOLVED_TYPE_ER(itemType)
457
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 1815 if (actualItemType.is(TY_DYN)) // Perform type inference
458 334 actualItemType = itemType;
459
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 1481 else if (itemType != actualItemType) // Check if types are matching
460
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 2 SOFT_ERROR_ER(arg, ARRAY_ITEM_TYPE_NOT_MATCHING,
461 "All provided values have to be of the same data type. You provided " + actualItemType.getName(false) +
462 " and " + itemType.getName(false))
463 }
464
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 333 assert(!actualItemType.is(TY_DYN));
465
466
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 333 const QualType arrayType = actualItemType.toArr(node, node->actualSize, true);
467
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 666 return ExprResult{node->setEvaluatedSymbolType(arrayType, manIdx)};
468 }
469
470 1313 std::any TypeChecker::visitStructInstantiation(StructInstantiationNode *node) {
471 // Retrieve struct name
472
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 1313 const auto [aliasedEntry, isAlias] = rootScope->symbolTable.lookupWithAliasResolution(node->fqStructName);
473
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 1313 std::string structName = isAlias ? aliasedEntry->getQualType().getSubType() : node->fqStructName;
474
475 // Check if the struct type is generic
476
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 1313 const QualType *genericType = rootScope->lookupGenericTypeStrict(structName);
477
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 1313 if (genericType && typeMapping.contains(structName)) {
478
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 2 const QualType &replacementType = typeMapping.at(structName);
479
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 2 if (replacementType.is(TY_STRUCT))
480
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 2 structName = replacementType.getSubType();
481 }
482
483 // Retrieve struct
484
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 1313 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(structName);
485
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 1313 if (!registryEntry)
486
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT, "Cannot find struct '" + structName + "'")
487
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 1312 assert(registryEntry->targetEntry != nullptr && registryEntry->targetScope != nullptr);
488 1312 SymbolTableEntry *structEntry = registryEntry->targetEntry;
489
490 // Check visibility
491
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 1312 if (!structEntry->getQualType().isPublic() && structEntry->scope->isImportedBy(currentScope))
492
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 2 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Struct '" + structName + "' has insufficient visibility")
493
494 // Get struct type
495
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 1311 QualType structType = structEntry->getQualType();
496
497 // Get the concrete template types
498 1311 QualTypeList concreteTemplateTypes;
499
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 1311 if (isAlias) {
500 // Retrieve concrete template types from type alias
501
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 1 concreteTemplateTypes = aliasedEntry->getQualType().getTemplateTypes();
502 // Check if the aliased type specified template types and the struct instantiation does
503
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 1 if (!concreteTemplateTypes.empty() && node->templateTypeLst)
504 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
505 }
506
507
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 1311 if (node->templateTypeLst) {
508
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 14 concreteTemplateTypes.reserve(node->templateTypeLst->dataTypes.size());
509
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 46 for (DataTypeNode *dataType : node->templateTypeLst->dataTypes) {
510
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 18 auto concreteType = std::any_cast<QualType>(visit(dataType));
511
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 18 HANDLE_UNRESOLVED_TYPE_ER(concreteType)
512 // Check if generic type
513
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 18 if (concreteType.is(TY_GENERIC))
514 ✗ SOFT_ERROR_ER(dataType, EXPECTED_NON_GENERIC_TYPE, "Struct instantiations may only take concrete template types")
515
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 18 concreteTemplateTypes.push_back(concreteType);
516 }
517 }
518
519 // Get the struct instance
520
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 1311 Struct *spiceStruct = node->instantiatedStructs.at(manIdx) = structType.getStructAndAdjustType(node, concreteTemplateTypes);
521
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 1311 if (!spiceStruct)
522
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT,
523 "Struct '" + Struct::getSignature(structName, concreteTemplateTypes) + "' could not be found")
524
525 // Struct instantiation for an inheriting struct is forbidden, because the vtable needs to be initialized and this is done in
526 // the ctor of the struct, which is never called in case of struct instantiation
527
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 1310 if (!spiceStruct->interfaceTypes.empty())
528
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 4 SOFT_ERROR_ER(node, INVALID_STRUCT_INSTANTIATION, "Struct instantiations for inheriting structs are forbidden")
529
530 // Check if the number of fields matches
531
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 1309 if (node->fieldLst) { // Check if any fields are passed. Empty braces are also allowed
532
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 1283 if (spiceStruct->fieldTypes.size() != node->fieldLst->args.size())
533
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 4 SOFT_ERROR_ER(node->fieldLst, NUMBER_OF_FIELDS_NOT_MATCHING,
534 "You've passed too less/many field values. Pass either none or all of them")
535
536 // Check if the field types are matching
537 1282 const size_t fieldCount = spiceStruct->fieldTypes.size();
538
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 1282 const size_t explicitFieldsStartIdx = spiceStruct->scope->getFieldCount() - fieldCount;
539 // Per-manifestation: a struct literal inside a generic function is re-type-checked once per manifestation of
540 // that function, and the struct itself may resolve to a different concrete type each time (e.g. HashEntry<K,
541 // V> inside HashTable<K, V>.upsert()), so the copy-ctor set from one manifestation must not leak into another.
542
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 1282 std::vector<Function *> &fieldCopyCtors = node->fieldCopyCtors.at(manIdx);
543 1282 fieldCopyCtors.clear();
544
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 3010 for (size_t i = 0; i < node->fieldLst->args.size(); i++) {
545 // Get actual type
546
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 1729 ExprNode *assignExpr = node->fieldLst->args.at(i);
547
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 1729 auto fieldResult = std::any_cast<ExprResult>(visit(assignExpr));
548
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 1729 HANDLE_UNRESOLVED_TYPE_ER(fieldResult.type)
549 // Get expected type
550
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 1729 SymbolTableEntry *expectedField = spiceStruct->scope->lookupField(explicitFieldsStartIdx + i);
551
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 1729 assert(expectedField != nullptr);
552
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 1729 const ExprResult expected = {expectedField->getQualType(), expectedField};
553
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 1729 const bool rhsIsImmediate = assignExpr->hasCompileTimeValue(manIdx);
554
555 // Capture anonymous info up front: getFieldAssignResultType may delete the anonymous entry (temp stealing
556 // in performStructAssign), turning fieldResult.entry into a dangling pointer.
557
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 1729 const bool rhsIsAnonymous = fieldResult.entry != nullptr && fieldResult.entry->anonymous;
558
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 1729 const std::string rhsEntryName = rhsIsAnonymous ? fieldResult.entry->name : std::string();
559
560 // Check if actual type matches expected type. A non-anonymous, non-trivially-copyable rhs (e.g. a plain
561 // local variable) needs its value deep-copied into the field: the struct instantiation does not
562 // consume/move it, so the caller keeps its own copy alive and destructs it independently.
563
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 1729 const auto [_, copyCtor] = opRuleManager.getFieldAssignResultType(assignExpr, expected, fieldResult, rhsIsImmediate, true);
564
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 1728 fieldCopyCtors.push_back(copyCtor);
565
566 // If there is an anonymous entry attached (e.g. for struct instantiation), delete it.
567 // Safe to call even if performStructAssign already deleted it: map::erase by key is a no-op when absent.
568
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 1728 if (rhsIsAnonymous) {
569
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 7 currentScope->symbolTable.deleteAnonymous(rhsEntryName);
570 7 fieldResult.entry = nullptr;
571 }
572 1729 }
573
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 1281 assert(fieldCopyCtors.size() == node->fieldLst->args.size());
574 } else {
575
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 102 if (std::ranges::any_of(spiceStruct->fieldTypes, [](const QualType &fieldType) { return fieldType.isRef(); }))
576 ✗ SOFT_ERROR_ER(node, REFERENCE_WITHOUT_INITIALIZER,
577 "The struct takes at least one reference field. You need to instantiate it with all fields.")
578 }
579
580 // Update type of struct entry
581
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 1307 structEntry->updateType(structType, true);
582
583 // Add anonymous symbol to keep track of dtor call, if non-trivially destructible
584 1307 SymbolTableEntry *anonymousEntry = nullptr;
585
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 1307 if (!structType.isTriviallyDestructible(node))
586
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 90 anonymousEntry = currentScope->symbolTable.insertAnonymous(structType, node);
587
588 // Remove public qualifier to not have public local variables
589 1307 structType.getQualifiers().isPublic = false;
590
591
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 2614 return ExprResult{node->setEvaluatedSymbolType(structType, manIdx), anonymousEntry};
592 1314 }
593
594 55 std::any TypeChecker::visitLambdaFunc(LambdaFuncNode *node) {
595 // Check if all control paths in the lambda body return
596 55 bool returnsOnAllControlPaths = true;
597
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 55 if (!node->returnsOnAllControlPaths(&returnsOnAllControlPaths, manIdx))
598
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 4 SOFT_ERROR_ER(node, MISSING_RETURN_STMT, "Not all control paths of this lambda function have a return statement")
599
600 // Change to function scope
601
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 54 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
602
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 54 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
603
604 // Visit return type
605
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 54 const auto returnType = std::any_cast<QualType>(visit(node->returnType));
606
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 54 HANDLE_UNRESOLVED_TYPE_ER(returnType)
607
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 54 if (returnType.is(TY_DYN))
608
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 4 SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
609
610 // Set the type of the result variable
611
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 159 SymbolTableEntry *resultVarEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
612
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 53 assert(resultVarEntry != nullptr);
613
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 53 resultVarEntry->updateType(returnType, true);
614 53 resultVarEntry->used = true;
615
616 // Visit parameters
617 53 QualTypeList paramTypes;
618 53 ParamList paramList;
619
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 53 if (node->hasParams) {
620 // Visit param list to retrieve the param names
621
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 48 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
622
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 159 for (const auto &[name, qualType, isOptional] : namedParamList) {
623
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 63 if (isOptional)
624 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
625
626
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 63 paramTypes.push_back(qualType);
627
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 63 paramList.push_back({qualType, isOptional});
628 }
629 48 }
630
631 // Visit lambda body
632
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 53 visit(node->body);
633
634 // Leave function body scope
635
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 52 scopeHandle.leaveScopeEarly();
636
637 // Prepare type of function
638
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 52 const QualType functionType = QualType(TY_FUNCTION)
639
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 52 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
640
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 52 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
641
642 // Create function object
643
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 52 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
644
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 52 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
645
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 52 node->manifestations.at(manIdx).bodyScope = bodyScope;
646
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 52 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
647
648 // Check special requirements if this is an async lambda
649
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 52 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
650
651
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 52 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
652 56 }
653
654 46 std::any TypeChecker::visitLambdaProc(LambdaProcNode *node) {
655 // Mark unreachable statements
656 46 bool doSetPredecessorsUnreachable = true;
657
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 46 node->returnsOnAllControlPaths(&doSetPredecessorsUnreachable, manIdx);
658
659 // Change to function scope
660
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 46 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
661
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 46 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
662
663 // Visit parameters
664 46 QualTypeList paramTypes;
665 46 ParamList paramList;
666
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 46 if (node->hasParams) {
667 // Visit param list to retrieve the param names
668
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 29 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
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 97 for (const auto &[_, qualType, isOptional] : namedParamList) {
670
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 39 if (isOptional)
671
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 2 softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
672
673
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 39 paramTypes.push_back(qualType);
674
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 39 paramList.push_back({qualType, isOptional});
675 }
676 29 }
677
678 // Visit lambda body
679
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 46 visit(node->body);
680
681 // Leave function body scope
682
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 46 scopeHandle.leaveScopeEarly();
683
684 // Prepare type of function
685
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 46 const QualType functionType = QualType(TY_PROCEDURE)
686
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 46 .getWithFunctionParamAndReturnTypes(QualType(TY_DYN), paramTypes)
687
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 46 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
688
689 // Create function object
690
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 46 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
691
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 46 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), QualType(TY_DYN), paramList, {}, node);
692
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 46 node->manifestations.at(manIdx).bodyScope = bodyScope;
693
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 46 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
694
695 // Check special requirements if this is an async lambda
696
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 46 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
697
698
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 92 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
699 46 }
700
701 1 std::any TypeChecker::visitLambdaExpr(LambdaExprNode *node) {
702 // Change to function scope
703
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 1 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
704
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 1 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
705
706 // Visit parameters
707 1 QualTypeList paramTypes;
708 1 ParamList paramList;
709
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 1 if (node->hasParams) {
710 // Visit param list to retrieve the param names
711
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 1 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
712
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 4 for (const NamedParam &param : namedParamList) {
713
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 2 if (param.isOptional)
714 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
715
716
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 2 paramTypes.push_back(param.qualType);
717
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 2 paramList.push_back({param.qualType, param.isOptional});
718 }
719 1 }
720
721 // Visit lambda expression
722
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 1 const QualType returnType = std::any_cast<ExprResult>(visit(node->lambdaExpr)).type;
723
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 1 HANDLE_UNRESOLVED_TYPE_ER(returnType)
724
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 1 if (returnType.is(TY_DYN))
725 ✗ SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
726
727 // Leave function body scope
728
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 1 scopeHandle.leaveScopeEarly();
729
730 // Prepare type of function
731
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 1 const SuperType superType = returnType.is(TY_DYN) ? TY_PROCEDURE : TY_FUNCTION;
732
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 1 const QualType functionType = QualType(superType)
733
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 1 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
734
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 1 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
735
736 // Create function object
737
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 1 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
738
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 1 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
739
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 1 node->manifestations.at(manIdx).bodyScope = bodyScope;
740
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 1 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
741
742
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 1 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
743 1 }
744
745 } // namespace spice::compiler
746